Debug info: print all workers (#1200)

import java.util.Collections

class TextTable(

        vararg val headers: String

    val headers: List<String>

) {

    companion object {

    }

    constructor(vararg headers: String): this(headers.toList())

    private val lines = mutableListOf<Array<String>>()

    fun addLine(vararg values: Any?) {

    fun addLine(values: List<Any?>) {

        if (values.size != headers.size)

            throw IllegalArgumentException("Table line must have ${headers.size} column(s)")

        lines += values.map {

        }.toTypedArray()

    }

    fun addLine(vararg values: Any?) = addLine(values.toList())

    override fun toString(): String {

        val sb = StringBuilder()